World Liberty Financial USD vs USDD — side-by-side comparison of supply, chains, backing, and peg data.
| Metric | USD1 | USDD |
|---|---|---|
| USD circulation value | $4.12B | $1.51B |
| Rank (by USD value) | #5 | #13 |
| Peg | USD | USD |
| Mechanism | fiat-backed | crypto-backed |
| Backing | US Treasuries | Algo + TRX collateral |
| Chains deployed | 8 | 4 |
| Primary chain | Ethereum | Tron |
| Issuer | World Liberty Financial USD | USDD |
| CoinGecko | View → | View → |
Both USD1 and USDD track USD, but they differ in backing and issuer. USD1 is backed by us treasuries while USDD is backed by algo + trx collateral. As of today, USD1 ranks #5 and USDD ranks #13 among tracked stablecoins.
USD1 is larger, with $4.12B in circulation vs $1.51B for USDD. That's roughly 2.7× the size.
Neither USD1 nor USDD is inherently "safer" — safety depends on the specific backing composition, issuer transparency, redemption rights, and regulatory oversight. USD1 uses fiat-backed backing model; USDD uses crypto-backed. Users should read each issuer's most recent reserve attestation before choosing.
Yes. USD1 and USDD both trade on major centralized and decentralized exchanges. Since both track USD, the exchange rate is typically very close to 1:1. Direct swap protocols on Ethereum, Solana, and other chains offer the tightest spreads.
The right choice depends on your use case. Consider: which chain do you need? USD1 is available on 8 chains and USDD on 4. What backing do you prefer? What's your integration surface (exchanges, DeFi protocols, payment providers)? Both have deep liquidity, so market cap alone shouldn't decide it.